body,html{
    height: 100%;
}

body{
    padding-top: 45px;
    padding-bottom: 50px;   
}

ul{
    list-style: none;
  }

*{
    margin: 0;
    padding: 0;
}
//头部
.pyg_headers{
    width: 100%;
    height: 45px;
    position: fixed;
    left: 0;
    top: 0;
    background-color: aliceblue;
    padding: 6px;
}

.pyg_view{
    overflow: scroll;
    height: 100%;
}



//底部:
.pyg_footer{
    border-top: 1px solid slateblue;
    width: 100%;
    height: 50px;
    display: flex;
    background-color: #fff;
    >a{
        padding: 4px;
        color: black;
        flex: 1;
        text-align: center;
        div{
            font-size: 14px;
        }
    }
}


.loadding{
    //实现遮罩：
    &::before{
        width: 100%;
        height: 100%;
        position: fixed;
        top: 0;
        left: 0;
        background-color: #fff;
        opacity: .6;
        content: '';
        z-index: 10000000000000;
    }
    //样式图标:
    &::after{
        display: inline-block;
          font: normal normal normal 14px/1 FontAwesome;
          font-size: inherit;
          text-rendering: auto;
          -webkit-font-smoothing: antialiased;
          animation: fa-spin 2s infinite linear;
          content: "\f021";
          position: fixed;
          top: 30%;
          left: 50%;
          margin-left: -43px;
          z-index: 1001;
          font-size: 100px;
          color: red;
    }
}